Home / 1,400.08-1,932.96-1,268

Finding the Fourth Proportional to 1,400.08, 1,932.96 and 1,268

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Solution

The fourth proportional to 1,400.08, 1,932.96 and 1,268 is: 1,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.08 : 1,932.96 = 1,268 : x
  2. Step 2: Convert to fraction form
    1,400.08/1,932.96 = 1,268/x
  3. Step 3: Cross multiply
    1,400.08x = 1,932.96 × 1,268
  4. Step 4: Simplify right side
    1,400.08x = 2,450,993.28
  5. Step 5: Solve for x
    x = 2,450,993.28/1,400.08
  6. Step 6: Final answer
    x = 1,750.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.